Biotin and derivatives
Medchemexpress LLC Biotin-PFP ester | 120550-35-8 | 97.0% | 250 MG
Biotin-PFP ester is a pentafluorophenyl-activated biotin reagent for bioconjugation and linker chemistry. The activated ester reacts efficiently with primary amines to form stable amide bonds, enabling biotin tagging for affinity capture, detection, and proteomics workflows. Supplied as a research-grade solid suitable for small-scale synthesis.
- Activated pentafluorophenyl ester for efficient amide coupling
- Provides a biotin tag for affinity purification and detection
- Compatible with conjugation to primary amines under mild conditions
- High purity for reproducible synthetic and proteomics results
- Packaged for research-scale use and storage
Medchemexpress LLC Biotin-PEG3-acid 100mg | 252881-76-8 | 100 MG
Biotin-PEG3-acid is a biotin-labeled polyethylene glycol (PEG3) linker containing a terminal carboxylic acid. It is supplied as a purified research-grade small molecule for use in PROTAC synthesis and biotinylation applications.
- Biotin-labeled PEG3 linker with terminal carboxylic acid.
- Designed for PROTAC synthesis and biotinylation workflows.
- High purity, 98.0%.
- Soluble in DMSO at 100 mg/mL; ultrasonic assistance recommended.
- Store sealed at 4°C; in solution store at -80°C for long-term stability.
- Available in 100 MG and larger pack sizes for research use.
Sigma Aldrich Fine Chemicals Biosciences Albumin biotin labeled bov10MG
ALBUMIN Albumin biotin labeled bov10MG
TARGETMOL CHEMICALS INC DOTA-NHS-ester 10MG
Also available in 1 mL, 1 mg, 5 mg, 25 mg, 50 mg, 100 mg, 500 mg and bulk. Please contact Fisher for quotes. DOTA-NHS-ester is a linker for affibody molecules with applications in small animal PET, SPECT, and CT. It can be used to label radiotherapeutic agents or imaging probes for tumor detection. Purity ≥98%